Mercedes C 250 2009 CDI BlueEFFICIENCY

Mercedes C class 2007 2.1 diesel description

Estate car / wagon Mercedes C 250 2009 CDI BlueEFFICIENCY has been produced from January, 2009 to January, 2011. It has four-cylinder diesel engine with displacement of 2.1 litres, which produces power of 204 horsepower on 4200 rpm and torque 500 Nm (Newton metres) on 1600 revolutions per minute.

This 4-cylinder 16-valve engine camshaft is driven by chain (What is an engine chain and belt? ). Engine has Common Rail fuel system, this is an atmospheric engine (without turbine). Engine versions compliant with Euro 5 and Euro 6 emission standards available. Engine lifespan (mileage before major repairs or overhaul) can last from 220 up to 370 thousand kilometres. Remember that engine life depends on regular maintenance and the quality of the materials used (oils, fuels, etc.).
More engine specs 
This Mercedes C class 2.1 engine oil type is 5W-30, 5W-40 and oil capacity is 7.2 litres.

Mercedes C 250 2009 CDI BlueEFFICIENCY has classical rear wheel drive (RWD) and automatic gearbox with 5 gears.
Mercedes C 250 2009 CDI BlueEFFICIENCY accelerates to speed 100 kilometres per hour in 7 seconds. The maximum speed of this car is 237 km/h.

The fuel consumption of this version of Mercedes C 250 2009 CDI BlueEFFICIENCY reported by owners in daily driving mode is 7.1 litres per 100km.

Mercedes C class safety

During safety testing Mercedes C class has obtained 5 stars from five, which means very high safety level.
Adults (driver and passenger) safety of Mercedes C class is evaluated with five stars, children safety - with three stars, and for pedestrian protection Mercedes C class got two stars.

With the same engine there is also Mercedes C class version with manual gearbox (Mercedes C 250 2009 CDI BlueEFFICIENCY MT) available, which is more sluggish, reaching 100 km/h 0.6 seconds later (in 7.6 seconds), but more economic with users reported real fuel consumption is lower by 0.7 litres per 100 km or 10 % - 6.4 litres per 100 km.
Mercedes C class 2.1 service information and maintenance intervals Oil change intervals, capacities and specifications, service information for filters, spark plugs, belts etc.
Mercedes C class 2007

Mercedes C 250 2009 CDI BlueEFFICIENCY technical data

Model: Mercedes C 250 2009 CDI BlueEFFICIENCY
Body style: Estate car / wagon
Production period: 2009. January ... 2011. January 
Engine: 2143 cm3 Diesel, 4 cylinders CO2 emissions: 160 g/km
Power: 204 HP ON 4200 RPM Torque: 500 NM ON 1600 RPM
Gearbox: Automatic gearbox (5 gears) Drive type: Rear wheel drive (RWD)
Top speed: 237 km/h Acceleration 0-100 km/h: 7.0 seconds
Fuel consumption: 7.1 l/100km (33.1 MPG) by user reviews from various sources
Fuel tank capacity: 66 litres (17.4 gallons)
Car dimensions: no data
Turning diameter: 10.8 meters

Mercedes C 250 2009 CDI BlueEFFICIENCY engine OM651 220/250 CDI

Engine reliability:

Overall, this engine can last around 220,000 to 370,000 km if properly maintained, using the correct quality oil and fuel, and carrying out regular checks and maintenance.
The engine has hydraulic valve tappets (lifters), which provide quieter operation and do not require periodic adjustment, but are more complex in design and can cause serious engine damage in the event of failure.
Engine displacement 2143 cm3
Number of cylinders 4
Bore (cylinder diameter) 83 mm
Stroke length (piston move) 99 mm
Compression ratio 16.2 : 1
Camshaft drive Timing chain

Chain motors are considered more reliable, chain replacement usually is required less often than a timing belt, but they are often louder and vibrate more.

More service info
Timing chain change interval 250,000 km (recommended)

Sometimes manufacturers do not specify timing chain replacement intervals and design chains for engine life. However, once the recommended change interval has been reached, it is recommended to periodically check the condition of the chain and to change the chain if excessive stretching is detected or if unusual noises from the engine or other symptoms occur.

Fuel system Common Rail

Common rail fuel injection provides more engine power, is quieter, more environmentally friendly and offers better fuel economy, but is more expensive to maintain and repair.

Mercedes C 250 2009 CDI BlueEFFICIENCY oil type 5W-30, 5W-40
Oil capacity 7.2 litres (7.6 quarts) More service info
Power 163 - 204 HP ON 4200 RPM
Torque 350 - 500 NM ON 1600 RPM
Start of production (year) 2010
Duration of production 14 years
Engine also used on Mercedes E klase Mercedes ML Mercedes A klase and 11 other models

Generally, the use of an engine in several models and its long production run is an indication of the quality of the engine and the success of its design.

All Mercedes C class estate car [2007 - 2011] modifications

Modification Engine Power Consumption Gearbox Drive type
Mercedes C 180 2007 Kompressor

Most fuel efficient petrol version

1.8 Petrol 156 HP 7.8 l/100km Manual (6) Rear wheel
Mercedes C 180 2007 Kompressor 1.8 Petrol 156 HP 8.2 l/100km Automatic (5) Rear wheel
Mercedes C 200 2007 CDI

Most fuel efficient diesel version

2.1 Diesel 136 HP 5.9 l/100km Manual (6) Rear wheel
Mercedes C 200 2007 CDI 2.1 Diesel 136 HP 6.1 l/100km Automatic (5) Rear wheel
Mercedes C 220 2007 CDI

Most fuel efficient diesel version

2.1 Diesel 170 HP 5.9 l/100km Manual (6) Rear wheel
Mercedes C 220 2007 CDI 2.1 Diesel 170 HP 6.8 l/100km Automatic (5) Rear wheel
Mercedes C 250 2009 CDI BlueEFFICIENCY Jan 2009 — Jan 2011 2.1 Diesel 204 HP - Manual (6) Rear wheel
Mercedes C 250 2009 CDI BlueEFFICIENCY Jan 2009 — Jan 2011 2.1 Diesel 204 HP - Automatic (5) Rear wheel
Mercedes C 230 2007 2.5 Petrol 204 HP 9.3 l/100km Manual (6) Rear wheel
Mercedes C 230 2007 2.5 Petrol 204 HP 9.5 l/100km Automatic (7) Rear wheel
Mercedes C 280 2007 3.0 Petrol 231 HP 9.4 l/100km Manual (6) Rear wheel
Mercedes C 300 2009 Jan 2009 — Jan 2011 3.0 Petrol 231 HP 9.4 l/100km Manual (6) Rear wheel
Mercedes C 280 2007 3.0 Petrol 231 HP 9.4 l/100km Automatic (7) Rear wheel
Mercedes C 300 2009 Jan 2009 — Jan 2011 3.0 Petrol 231 HP 9.4 l/100km Automatic (7) Rear wheel
Mercedes C 320 2007 CDI 3.0 Diesel 224 HP 7.1 l/100km Manual (6) Rear wheel
Mercedes C 320 2007 CDI 3.0 Diesel 224 HP 7.5 l/100km Automatic (7) Rear wheel
Mercedes C 320 2007 CDI 4WD 3.0 Diesel 224 HP 7.7 l/100km Automatic (7) All wheel
Mercedes C 350 2007

Most dynamic version - 100 km/h in 6.5 seconds

3.5 Petrol 272 HP 9.9 l/100km Automatic (7) Rear wheel
Mercedes C class 2007 reviews
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